As police combed Port Huron and Port Huron Township for the suspect of a domestic shooting, people gathered at Vantage Point for the fourth annual Alzheimer’s Walk.

Around the event’s scheduled noon start time, organizers hustled everyone inside the Maritime Center due to a threat posed by the police situation on the south side of town.

It all started around 10 a.m. at the 2600 block of Oak Street in Port Huron Township. Authorities received a call that someone had been shot in the home.

The victim was removed from the home and sent to the hospital with a gunshot wound to his face.

Law enforcement officers were combing the area, searching for Mack Kuefler, 19, the son of the victim. Kuefler stands about 6-foot-2 and weighs about 180 pounds. He was believed to have left the area on a bike and remained at large as of late Sunday afternoon.

The St. Clair County Sheriff’s Office asks that anyone with information about Kuefler should call 911. People should not approach him; Kuefler may be armed.

Dementia and Alzheimer’s Resource Council committee member Brian Larsen said organizers heard the reports of a lock-down at Lake Huron Medical Center due to the police activity on the south side of Port Huron. When organizers learned there was no danger to walk participants, they resumed the event and let everyone go back outside, Larsen said.

He said it was otherwise a successful day, with about 200 people braving the weather to show up.

Port Huron Police Lt. Chris Frazier confirmed Lake Huron Medical Center was locked down briefly in the late morning and then reopenied. This decision was made by hospital staff and not at police direction, Frazier said. A call to Lake Huron Medical Center administration was not immediately returned. McLaren Port Huron made a statement on Facebook dispelling rumors that it had locked down. It had not.

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Law enforcement waits outside a home on the 2600 block of Oak Street as authorities search for a suspect in a domestic shooting Sunday morning in Port Huron Township.(Photo: Jeremy Ervin/Times Herald)